Wien bridge oscillator with diode amplitude control — Free Electronics Illustration

Electronics

Wien bridge oscillator with diode amplitude control

Schematic-style Wien-bridge oscillator circuit centered on an operational amplifier triangle, with a lead-lag Wien bridge RC network made of two resistors and two capacitors in the classic arrangement: one series resistor-capacitor branch and one parallel resistor-capacitor branch. Include the feedback path around the op-amp plus a nonlinear amplitude-control branch containing two small-signal diodes. Draw as clean black line-art with labeled terminals and standard passive component symbols in a compact circuit-block layout.

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